Q1 of 89 Page 49

Which of the following form of an AP? Justify your answer.
11, 22, 33 …

We have a₁ = 11, a₂ = 22 and a₃ = 33

a₂ - a₁ = 11

a₃ - a₂ = 11

Clearly, the difference of successive terms is same, therefore given list of numbers form an AP.

Which of the following form of an AP? Justify your answer.

0, 2, 0, 2, …

Which of the following form of an AP? Justify your answer.

1, 1, 2, 2, 3, 3, …

Which of the following form of an AP? Justify your answer.

2, 2², 2³, 2⁴

Which of the following form of an AP? Justify your answer.11, 22, 33 …